# mortar_methods.jl
# Mortar methods for domain coupling in NSEMSolver

"""
    apply_mortar_coupling!(u::Array, v::Array, multidomain::MultiDomain)

Apply mortar method coupling between domains for velocity fields.
"""
function apply_mortar_coupling!(u::Array, v::Array, multidomain)
    # Placeholder implementation for mortar methods
    @warn "Mortar method coupling not fully implemented yet"
    return nothing
end

"""
    create_mortar_operators(multidomain::MultiDomain)

Create mortar operators for inter-domain coupling.
"""
function create_mortar_operators(multidomain)
    # Placeholder implementation
    @warn "Mortar operators creation not fully implemented yet"
    return nothing
end